diff options
Diffstat (limited to 'net')
42 files changed, 194 insertions, 137 deletions
diff --git a/net/802/garp.c b/net/802/garp.c index f8300a8..1610295 100644 --- a/net/802/garp.c +++ b/net/802/garp.c @@ -544,11 +544,6 @@ static int garp_init_port(struct net_device *dev) return 0; } -static void garp_kfree_rcu(struct rcu_head *head) -{ - kfree(container_of(head, struct garp_port, rcu)); -} - static void garp_release_port(struct net_device *dev) { struct garp_port *port = rtnl_dereference(dev->garp_port); @@ -559,7 +554,7 @@ static void garp_release_port(struct net_device *dev) return; } rcu_assign_pointer(dev->garp_port, NULL); - call_rcu(&port->rcu, garp_kfree_rcu); + kfree_rcu(port, rcu); } int garp_init_applicant(struct net_device *dev, struct garp_application *appl) @@ -603,11 +598,6 @@ err1: } EXPORT_SYMBOL_GPL(garp_init_applicant); -static void garp_app_kfree_rcu(struct rcu_head *head) -{ - kfree(container_of(head, struct garp_applicant, rcu)); -} - void garp_uninit_applicant(struct net_device *dev, struct garp_application *appl) { struct garp_port *port = rtnl_dereference(dev->garp_port); @@ -625,7 +615,7 @@ void garp_uninit_applicant(struct net_device *dev, struct garp_application *appl garp_queue_xmit(app); dev_mc_del(dev, appl->proto.group_address); - call_rcu(&app->rcu, garp_app_kfree_rcu); + kfree_rcu(app, rcu); garp_release_port(dev); } EXPORT_SYMBOL_GPL(garp_uninit_applicant); @@ -643,9 +633,3 @@ void garp_unregister_application(struct garp_application *appl) stp_proto_unregister(&appl->proto); } EXPORT_SYMBOL_GPL(garp_unregister_application); - -static void __exit garp_cleanup_module(void) -{ - rcu_barrier(); /* Wait for completion of call_rcu()'s */ -} -module_exit(garp_cleanup_module); diff --git a/net/802/psnap.c b/net/802/psnap.c index 21cde8f..db6baf7 100644 --- a/net/802/psnap.c +++ b/net/802/psnap.c @@ -147,7 +147,6 @@ struct datalink_proto *register_snap_client(const unsigned char *desc, out: spin_unlock_bh(&snap_lock); - synchronize_net(); return proto; } diff --git a/net/atm/proc.c b/net/atm/proc.c index f85da077..be3afde 100644 --- a/net/atm/proc.c +++ b/net/atm/proc.c @@ -191,7 +191,7 @@ static void vcc_info(struct seq_file *seq, struct atm_vcc *vcc) { struct sock *sk = sk_atm(vcc); - seq_printf(seq, "%p ", vcc); + seq_printf(seq, "%pK ", vcc); if (!vcc->dev) seq_printf(seq, "Unassigned "); else @@ -218,7 +218,7 @@ static void svc_info(struct seq_file *seq, struct atm_vcc *vcc) { if (!vcc->dev) seq_printf(seq, sizeof(void *) == 4 ? - "N/A@%p%10s" : "N/A@%p%2s", vcc, ""); + "N/A@%pK%10s" : "N/A@%pK%2s", vcc, ""); else seq_printf(seq, "%3d %3d %5d ", vcc->dev->number, vcc->vpi, vcc->vci); diff --git a/net/bluetooth/hidp/hidp.h b/net/bluetooth/hidp/hidp.h index 12822cd..19e9500 100644 --- a/net/bluetooth/hidp/hidp.h +++ b/net/bluetooth/hidp/hidp.h @@ -80,7 +80,7 @@ #define HIDP_VIRTUAL_CABLE_UNPLUG 0 #define HIDP_BOOT_PROTOCOL_MODE 1 #define HIDP_BLUETOOTH_VENDOR_ID 9 -#define HIDP_WAITING_FOR_RETURN 10 +#define HIDP_WAITING_FOR_RETURN 10 #define HIDP_WAITING_FOR_SEND_ACK 11 struct hidp_connadd_req { diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 5dbdfdf..1bacca4 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -147,6 +147,7 @@ static void del_nbp(struct net_bridge_port *p) dev->priv_flags &= ~IFF_BRIDGE_PORT; netdev_rx_handler_unregister(dev); + synchronize_net(); netdev_set_master(dev, NULL); @@ -338,6 +339,8 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) if (IS_ERR(p)) return PTR_ERR(p); + call_netdevice_notifiers(NETDEV_JOIN, dev); + err = dev_set_promiscuity(dev, 1); if (err) goto put_back; diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index e1f5ec7..3fa1231 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -117,6 +117,10 @@ static struct dst_ops fake_dst_ops = { * ipt_REJECT needs it. Future netfilter modules might * require us to fill additional fields. */ +static const u32 br_dst_default_metrics[RTAX_MAX] = { + [RTAX_MTU - 1] = 1500, +}; + void br_netfilter_rtable_init(struct net_bridge *br) { struct rtable *rt = &br->fake_rtable; @@ -124,7 +128,7 @@ void br_netfilter_rtable_init(struct net_bridge *br) atomic_set(&rt->dst.__refcnt, 1); rt->dst.dev = br->dev; rt->dst.path = &rt->dst; - dst_metric_set(&rt->dst, RTAX_MTU, 1500); + dst_init_metrics(&rt->dst, br_dst_default_metrics, true); rt->dst.flags = DST_NOXFRM; rt->dst.ops = &fake_dst_ops; } diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index 366ca0f..682c0fe 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -142,6 +142,7 @@ static int receive(struct sk_buff *skb, struct net_device *dev, { struct cfpkt *pkt; struct caif_device_entry *caifd; + int err; pkt = cfpkt_fromnative(CAIF_DIR_IN, skb); @@ -159,7 +160,11 @@ static int receive(struct sk_buff *skb, struct net_device *dev, caifd_hold(caifd); rcu_read_unlock(); - caifd->layer.up->receive(caifd->layer.up, pkt); + err = caifd->layer.up->receive(caifd->layer.up, pkt); + + /* For -EILSEQ the packet is not freed so so it now */ + if (err == -EILSEQ) + cfpkt_destroy(pkt); /* Release reference to stack upwards */ caifd_put(caifd); diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index b840395..a986280 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -19,7 +19,7 @@ #include <linux/uaccess.h> #include <linux/debugfs.h> #include <linux/caif/caif_socket.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <net/sock.h> #include <net/tcp_states.h> #include <net/caif/caif_layer.h> @@ -816,6 +816,7 @@ static int caif_connect(struct socket *sock, struct sockaddr *uaddr, if (sk->sk_shutdown & SHUTDOWN_MASK) { /* Allow re-connect after SHUTDOWN_IND */ caif_disconnect_client(sock_net(sk), &cf_sk->layer); + caif_free_client(&cf_sk->layer); break; } /* No reconnect on a seqpacket socket */ @@ -926,7 +927,6 @@ static int caif_release(struct socket *sock) { struct sock *sk = sock->sk; struct caifsock *cf_sk = container_of(sk, struct caifsock, sk); - int res = 0; if (!sk) return 0; @@ -953,10 +953,7 @@ static int caif_release(struct socket *sock) sk->sk_state = CAIF_DISCONNECTED; sk->sk_shutdown = SHUTDOWN_MASK; - if (cf_sk->sk.sk_socket->state == SS_CONNECTED || - cf_sk->sk.sk_socket->state == SS_CONNECTING) - res = caif_disconnect_client(sock_net(sk), &cf_sk->layer); - + caif_disconnect_client(sock_net(sk), &cf_sk->layer); cf_sk->sk.sk_socket->state = SS_DISCONNECTING; wake_up_interruptible_poll(sk_sleep(sk), POLLERR|POLLHUP); @@ -964,7 +961,7 @@ static int caif_release(struct socket *sock) sk_stream_kill_queues(&cf_sk->sk); release_sock(sk); sock_put(sk); - return res; + return 0; } /* Copied from af_unix.c:unix_poll(), added CAIF tx_flow handling */ @@ -1120,7 +1117,7 @@ static int caif_create(struct net *net, struct socket *sock, int protocol, set_rx_flow_on(cf_sk); /* Set default options on configuration */ - cf_sk->sk.sk_priority= CAIF_PRIO_NORMAL; + cf_sk->sk.sk_priority = CAIF_PRIO_NORMAL; cf_sk->conn_req.link_selector = CAIF_LINK_LOW_LATENCY; cf_sk->conn_req.protocol = protocol; /* Increase the number of sockets created. */ diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c index 351c2ca..52fe33b 100644 --- a/net/caif/cfcnfg.c +++ b/net/caif/cfcnfg.c @@ -182,39 +182,26 @@ static int cfcnfg_get_id_from_ifi(struct cfcnfg *cnfg, int ifi) int caif_disconnect_client(struct net *net, struct cflayer *adap_layer) { - u8 channel_id = 0; - int ret = 0; - struct cflayer *servl = NULL; + u8 channel_id; struct cfcnfg *cfg = get_cfcnfg(net); caif_assert(adap_layer != NULL); - - channel_id = adap_layer->id; - if (adap_layer->dn == NULL || channel_id == 0) { - pr_err("adap_layer->dn == NULL or adap_layer->id is 0\n"); - ret = -ENOTCONN; - goto end; - } - - servl = cfmuxl_remove_uplayer(cfg->mux, channel_id); - if (servl == NULL) { - pr_err("PROTOCOL ERROR - " - "Error removing service_layer Channel_Id(%d)", - channel_id); - ret = -EINVAL; - goto end; - } - - ret = cfctrl_linkdown_req(cfg->ctrl, channel_id, adap_layer); - -end: cfctrl_cancel_req(cfg->ctrl, adap_layer); + channel_id = adap_layer->id; + if (channel_id != 0) { + struct cflayer *servl; + servl = cfmuxl_remove_uplayer(cfg->mux, channel_id); + if (servl != NULL) + layer_set_up(servl, NULL); + } else + pr_debug("nothing to disconnect\n"); + cfctrl_linkdown_req(cfg->ctrl, channel_id, adap_layer); /* Do RCU sync before initiating cleanup */ synchronize_rcu(); if (adap_layer->ctrlcmd != NULL) adap_layer->ctrlcmd(adap_layer, CAIF_CTRLCMD_DEINIT_RSP, 0); - return ret; + return 0; } EXPORT_SYMBOL(caif_disconnect_client); @@ -400,6 +387,14 @@ cfcnfg_linkup_rsp(struct cflayer *layer, u8 channel_id, enum cfctrl_srv serv, struct cfcnfg_phyinfo *phyinfo; struct net_device *netdev; + if (channel_id == 0) { + pr_warn("received channel_id zero\n"); + if (adapt_layer != NULL && adapt_layer->ctrlcmd != NULL) + adapt_layer->ctrlcmd(adapt_layer, + CAIF_CTRLCMD_INIT_FAIL_RSP, 0); + return; + } + rcu_read_lock(); if (adapt_layer == NULL) { @@ -523,7 +518,6 @@ got_phyid: phyinfo->use_stx = stx; phyinfo->use_fcs = fcs; - phy_layer->type = phy_type; frml = cffrml_create(phyid, fcs); if (!frml) { diff --git a/net/caif/cfctrl.c b/net/caif/cfctrl.c index 0c00a60..e22671b 100644 --- a/net/caif/cfctrl.c +++ b/net/caif/cfctrl.c @@ -178,20 +178,23 @@ static void init_info(struct caif_payload_info *info, struct cfctrl *cfctrl) void cfctrl_enum_req(struct cflayer *layer, u8 physlinkid) { struct cfctrl *cfctrl = container_obj(layer); - int ret; struct cfpkt *pkt = cfpkt_create(CFPKT_CTRL_PKT_LEN); + struct cflayer *dn = cfctrl->serv.layer.dn; if (!pkt) { pr_warn("Out of memory\n"); return; } + if (!dn) { + pr_debug("not able to send enum request\n"); + return; + } caif_assert(offsetof(struct cfctrl, serv.layer) == 0); init_info(cfpkt_info(pkt), cfctrl); cfpkt_info(pkt)->dev_info->id = physlinkid; cfctrl->serv.dev_info.id = physlinkid; cfpkt_addbdy(pkt, CFCTRL_CMD_ENUM); cfpkt_addbdy(pkt, physlinkid); - ret = - cfctrl->serv.layer.dn->transmit(cfctrl->serv.layer.dn, pkt); + dn->transmit(dn, pkt); } int cfctrl_linkup_request(struct cflayer *layer, @@ -206,6 +209,12 @@ int cfctrl_linkup_request(struct cflayer *layer, int ret; char utility_name[16]; struct cfpkt *pkt; + struct cflayer *dn = cfctrl->serv.layer.dn; + + if (!dn) { + pr_debug("not able to send linkup request\n"); + return -ENODEV; + } if (cfctrl_cancel_req(layer, user_layer) > 0) { /* Slight Paranoia, check if already connecting */ @@ -282,7 +291,7 @@ int cfctrl_linkup_request(struct cflayer *layer, */ cfpkt_info(pkt)->dev_info->id = param->phyid; ret = - cfctrl->serv.layer.dn->transmit(cfctrl->serv.layer.dn, pkt); + dn->transmit(dn, pkt); if (ret < 0) { int count; @@ -301,15 +310,23 @@ int cfctrl_linkdown_req(struct cflayer *layer, u8 channelid, int ret; struct cfctrl *cfctrl = container_obj(layer); struct cfpkt *pkt = cfpkt_create(CFPKT_CTRL_PKT_LEN); + struct cflayer *dn = cfctrl->serv.layer.dn; + if (!pkt) { pr_warn("Out of memory\n"); return -ENOMEM; } + + if (!dn) { + pr_debug("not able to send link-down request\n"); + return -ENODEV; + } + cfpkt_addbdy(pkt, CFCTRL_CMD_LINK_DESTROY); cfpkt_addbdy(pkt, channelid); init_info(cfpkt_info(pkt), cfctrl); ret = - cfctrl->serv.layer.dn->transmit(cfctrl->serv.layer.dn, pkt); + dn->transmit(dn, pkt); #ifndef CAIF_NO_LOOP cfctrl->loop_linkused[channelid] = 0; #endif @@ -351,7 +368,8 @@ static int cfctrl_recv(struct cflayer *layer, struct cfpkt *pkt) cfpkt_extr_head(pkt, &cmdrsp, 1); cmd = cmdrsp & CFCTRL_CMD_MASK; if (cmd != CFCTRL_CMD_LINK_ERR - && CFCTRL_RSP_BIT != (CFCTRL_RSP_BIT & cmdrsp)) { + && CFCTRL_RSP_BIT != (CFCTRL_RSP_BIT & cmdrsp) + && CFCTRL_ERR_BIT != (CFCTRL_ERR_BIT & cmdrsp)) { if (handle_loop(cfctrl, cmd, pkt) != 0) cmdrsp |= CFCTRL_ERR_BIT; } @@ -477,7 +495,7 @@ static int cfctrl_recv(struct cflayer *layer, struct cfpkt *pkt) cfpkt_extr_head(pkt, ¶m, len); break; default: - pr_warn("Request setup - invalid link type (%d)\n", + pr_warn("Request setup, invalid type (%d)\n", serv); goto error; } @@ -489,7 +507,8 @@ static int cfctrl_recv(struct cflayer *layer, struct cfpkt *pkt) if (CFCTRL_ERR_BIT == (CFCTRL_ERR_BIT & cmdrsp) || cfpkt_erroneous(pkt)) { - pr_err("Invalid O/E bit or parse error on CAIF control channel\n"); + pr_err("Invalid O/E bit or parse error " + "on CAIF control channel\n"); cfctrl->res.reject_rsp(cfctrl->serv.layer.up, 0, req ? req->client_layer @@ -550,9 +569,8 @@ static void cfctrl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl, case _CAIF_CTRLCMD_PHYIF_FLOW_OFF_IND: case CAIF_CTRLCMD_FLOW_OFF_IND: spin_lock_bh(&this->info_list_lock); - if (!list_empty(&this->list)) { + if (!list_empty(&this->list)) pr_debug("Received flow off in control layer\n"); - } spin_unlock_bh(&this->info_list_lock); break; case _CAIF_CTRLCMD_PHYIF_DOWN_IND: { @@ -587,16 +605,16 @@ static int handle_loop(struct cfctrl *ctrl, int cmd, struct cfpkt *pkt) case CFCTRL_CMD_LINK_SETUP: spin_lock_bh(&ctrl->loop_linkid_lock); if (!dec) { - for (linkid = last_linkid + 1; linkid < 255; linkid++) + for (linkid = last_linkid + 1; linkid < 254; linkid++) if (!ctrl->loop_linkused[linkid]) goto found; } dec = 1; - for (linkid = last_linkid - 1; linkid > 0; linkid--) + for (linkid = last_linkid - 1; linkid > 1; linkid--) if (!ctrl->loop_linkused[linkid]) goto found; spin_unlock_bh(&ctrl->loop_linkid_lock); - + return -1; found: if (linkid < 10) dec = 0; diff --git a/net/caif/cfmuxl.c b/net/caif/cfmuxl.c index 2a56df7..3a66b8c 100644 --- a/net/caif/cfmuxl.c +++ b/net/caif/cfmuxl.c @@ -62,16 +62,6 @@ struct cflayer *cfmuxl_create(void) return &this->layer; } -int cfmuxl_set_uplayer(struct cflayer *layr, struct cflayer *up, u8 linkid) -{ - struct cfmuxl *muxl = container_obj(layr); - - spin_lock_bh(&muxl->receive_lock); - list_add_rcu(&up->node, &muxl->srvl_list); - spin_unlock_bh(&muxl->receive_lock); - return 0; -} - int cfmuxl_set_dnlayer(struct cflayer *layr, struct cflayer *dn, u8 phyid) { struct cfmuxl *muxl = (struct cfmuxl *) layr; @@ -93,6 +83,24 @@ static struct cflayer *get_from_id(struct list_head *list, u16 id) return NULL; } +int cfmuxl_set_uplayer(struct cflayer *layr, struct cflayer *up, u8 linkid) +{ + struct cfmuxl *muxl = container_obj(layr); + struct cflayer *old; + + spin_lock_bh(&muxl->receive_lock); + + /* Two entries with same id is wrong, so remove old layer from mux */ + old = get_from_id(&muxl->srvl_list, linkid); + if (old != NULL) + list_del_rcu(&old->node); + + list_add_rcu(&up->node, &muxl->srvl_list); + spin_unlock_bh(&muxl->receive_lock); + + return 0; +} + struct cflayer *cfmuxl_remove_dnlayer(struct cflayer *layr, u8 phyid) { struct cfmuxl *muxl = container_obj(layr); @@ -146,6 +154,11 @@ struct cflayer *cfmuxl_remove_uplayer(struct cflayer *layr, u8 id) struct cfmuxl *muxl = container_obj(layr); int idx = id % UP_CACHE_SIZE; + if (id == 0) { + pr_warn("Trying to remove control layer\n"); + return NULL; + } + spin_lock_bh(&muxl->receive_lock); up = get_from_id(&muxl->srvl_list, id); if (up == NULL) @@ -235,12 +248,26 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl, { struct cfmuxl *muxl = container_obj(layr); struct cflayer *layer; + int idx; rcu_read_lock(); list_for_each_entry_rcu(layer, &muxl->srvl_list, node) { - if (cfsrvl_phyid_match(layer, phyid) && layer->ctrlcmd) + + if (cfsrvl_phyid_match(layer, phyid) && layer->ctrlcmd) { + + if ((ctrl == _CAIF_CTRLCMD_PHYIF_FLOW_OFF_IND || + ctrl == CAIF_CTRLCMD_REMOTE_SHUTDOWN_IND) && + layer->id != 0) { + + idx = layer->id % UP_CACHE_SIZE; + spin_lock_bh(&muxl->receive_lock); + rcu_assign_pointer(muxl->up_cache[idx], NULL); + list_del_rcu(&layer->node); + spin_unlock_bh(&muxl->receive_lock); + } /* NOTE: ctrlcmd is not allowed to block */ layer->ctrlcmd(layer, ctrl, phyid); + } } rcu_read_unlock(); } diff --git a/net/can/bcm.c b/net/can/bcm.c index cced806..184a657 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -165,9 +165,9 @@ static int bcm_proc_show(struct seq_file *m, void *v) struct bcm_sock *bo = bcm_sk(sk); struct bcm_op *op; - seq_printf(m, ">>> socket %p", sk->sk_socket); - seq_printf(m, " / sk %p", sk); - seq_printf(m, " / bo %p", bo); + seq_printf(m, ">>> socket %pK", sk->sk_socket); + seq_printf(m, " / sk %pK", sk); + seq_printf(m, " / bo %pK", bo); seq_printf(m, " / dropped %lu", bo->dropped_usr_msgs); seq_printf(m, " / bound %s", bcm_proc_getifname(ifname, bo->ifindex)); seq_printf(m, " <<<\n"); diff --git a/net/core/dev.c b/net/core/dev.c index d945379..ec11d75 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4294,10 +4294,8 @@ int netdev_set_master(struct net_device *slave, struct net_device *master) slave->master = master; - if (old) { - synchronize_net(); + if (old) dev_put(old); - } return 0; } EXPORT_SYMBOL(netdev_set_master); @@ -5956,7 +5954,10 @@ EXPORT_SYMBOL(free_netdev); void synchronize_net(void) { might_sleep(); - synchronize_rcu(); + if (rtnl_is_locked()) + synchronize_rcu_expedited(); + else + synchronize_rcu(); } EXPORT_SYMBOL(synchronize_net); diff --git a/net/core/dst.c b/net/core/dst.c index 81a4fa1..9ccca03 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -315,7 +315,7 @@ void __dst_destroy_metrics_generic(struct dst_entry *dst, unsigned long old) { unsigned long prev, new; - new = (unsigned long) dst_default_metrics; + new = ((unsigned long) dst_default_metrics) | DST_METRICS_READ_ONLY; prev = cmpxchg(&dst->_metrics, old, new); if (prev == old) kfree(__DST_METRICS_PTR(old)); diff --git a/net/core/filter.c b/net/core/filter.c index 0eb8c44..0e3622f 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -350,7 +350,9 @@ load_b: continue; } default: - WARN_ON(1); + WARN_RATELIMIT(1, "Unknown code:%u jt:%u tf:%u k:%u\n", + fentry->code, fentry->jt, + fentry->jf, fentry->k); return 0; } } diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 67870e9..f76079c 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -3544,13 +3544,12 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname) return -ENOMEM; strcpy(pkt_dev->odevname, ifname); - pkt_dev->flows = vmalloc_node(MAX_CFLOWS * sizeof(struct flow_state), + pkt_dev->flows = vzalloc_node(MAX_CFLOWS * sizeof(struct flow_state), node); if (pkt_dev->flows == NULL) { kfree(pkt_dev); return -ENOMEM; } - memset(pkt_dev->flows, 0, MAX_CFLOWS * sizeof(struct flow_state)); pkt_dev->removal_mark = 0; pkt_dev->min_pkt_size = ETH_ZLEN; @@ -3708,6 +3707,7 @@ static int __init pg_init(void) { int cpu; struct proc_dir_entry *pe; + int ret = 0; pr_info("%s", version); @@ -3718,11 +3718,10 @@ static int __init pg_init(void) pe = proc_create(PGCTRL, 0600, pg_proc_dir, &pktgen_fops); if (pe == NULL) { pr_err("ERROR: cannot create %s procfs entry\n", PGCTRL); - proc_net_remove(&init_net, PG_PROC_DIR); - return -EINVAL; + ret = -EINVAL; + goto remove_dir; } - /* Register us to receive netdevice events */ register_netdevice_notifier(&pktgen_notifier_block); for_each_online_cpu(cpu) { @@ -3736,13 +3735,18 @@ static int __init pg_init(void) if (list_empty(&pktgen_threads)) { pr_err("ERROR: Initialization failed for all threads\n"); - unregister_netdevice_notifier(&pktgen_notifier_block); - remove_proc_entry(PGCTRL, pg_proc_dir); - proc_net_remove(&init_net, PG_PROC_DIR); - return -ENODEV; + ret = -ENODEV; + goto unregister; } return 0; + + unregister: + unregister_netdevice_notifier(&pktgen_notifier_block); + remove_proc_entry(PGCTRL, pg_proc_dir); + remove_dir: + proc_net_remove(&init_net, PG_PROC_DIR); + return ret; } static void __exit pg_cleanup(void) diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index d2ba259..d1644e3 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1956,6 +1956,8 @@ static int rtnetlink_event(struct notifier_block *this, unsigned long event, voi case NETDEV_GOING_DOWN: case NETDEV_UNREGISTER: case NETDEV_UNREGISTER_BATCH: + case NETDEV_RELEASE: + case NETDEV_JOIN: break; default: rtmsg_ifinfo(RTM_NEWLINK, dev, 0); diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index c779ce9..58c25ea 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -72,6 +72,7 @@ #include <linux/init.h> #include <linux/list.h> #include <linux/slab.h> +#include <linux/prefetch.h> #include <net/net_namespace.h> #include <net/ip.h> #include <net/protocol.h> diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 672e476..f1d27f6 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1155,20 +1155,18 @@ static void igmp_group_dropped(struct ip_mc_list *im) if (!in_dev->dead) { if (IGMP_V1_SEEN(in_dev)) - goto done; + return; if (IGMP_V2_SEEN(in_dev)) { if (reporter) igmp_send_report(in_dev, im, IGMP_HOST_LEAVE_MESSAGE); - goto done; + return; } /* IGMPv3 */ igmpv3_add_delrec(in_dev, im); igmp_ifc_event(in_dev); } -done: #endif - ip_mc_clear_src(im); } static void igmp_group_added(struct ip_mc_list *im) @@ -1305,6 +1303,7 @@ void ip_mc_dec_group(struct in_device *in_dev, __be32 addr) *ip = i->next_rcu; in_dev->mc_count--; igmp_group_dropped(i); + ip_mc_clear_src(i); if (!in_dev->dead) ip_rt_multicast_event(in_dev); @@ -1414,7 +1413,8 @@ void ip_mc_destroy_dev(struct in_device *in_dev) in_dev->mc_list = i->next_rcu; in_dev->mc_count--; - igmp_group_dropped(i); + /* We've dropped the groups in ip_mc_down already */ + ip_mc_clear_src(i); ip_ma_put(i); } } diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 1f3bb11..9aaa671 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -137,9 +137,6 @@ static void ping_v4_unhash(struct sock *sk) struct inet_sock *isk = inet_sk(sk); pr_debug("ping_v4_unhash(isk=%p,isk->num=%u)\n", isk, isk->inet_num); if (sk_hashed(sk)) { - struct hlist_nulls_head *hslot; - - hslot = ping_hashslot(&ping_table, sock_net(sk), isk->inet_num); write_lock_bh(&ping_table.lock); hlist_nulls_del(&sk->sk_nulls_node); sock_put(sk); diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 11e17804..c9893d4 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -979,7 +979,7 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i) srcp = inet->inet_num; seq_printf(seq, "%4d: %08X:%04X %08X:%04X" - " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n", + " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n", i, src, srcp, dest, destp, sp->sk_state, sk_wmem_alloc_get(sp), sk_rmem_alloc_get(sp), diff --git a/net/ipv4/route.c b/net/ipv4/route.c index b24d58e..52b0b95 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1665,6 +1665,7 @@ static int ip_rt_bug(struct sk_buff *skb) &ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr, skb->dev ? skb->dev->name : "?"); kfree_skb(skb); + WARN_ON(1); return 0; } diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 3c8d9b6..a7d6671 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2371,7 +2371,7 @@ static void get_openreq4(struct sock *sk, struct request_sock *req, int ttd = req->expires - jiffies; seq_printf(f, "%4d: %08X:%04X %08X:%04X" - " %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %p%n", + " %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %pK%n", i, ireq->loc_addr, ntohs(inet_sk(sk)->inet_sport), @@ -2426,7 +2426,7 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len) rx_queue = max_t(int, tp->rcv_nxt - tp->copied_seq, 0); seq_printf(f, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX " - "%08X %5d %8d %lu %d %p %lu %lu %u %u %d%n", + "%08X %5d %8d %lu %d %pK %lu %lu %u %u %d%n", i, src, srcp, dest, destp, sk->sk_state, tp->write_seq - tp->snd_una, rx_queue, @@ -2461,7 +2461,7 @@ static void get_timewait4_sock(struct inet_timewait_sock *tw, srcp = ntohs(tw->tw_sport); seq_printf(f, "%4d: %08X:%04X %08X:%04X" - " %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p%n", + " %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK%n", i, src, srcp, dest, destp, tw->tw_substate, 0, 0, 3, jiffies_to_clock_t(ttd), 0, 0, 0, 0, atomic_read(&tw->tw_refcnt), tw, len); diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 599374f..abca870 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -2090,7 +2090,7 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f, __u16 srcp = ntohs(inet->inet_sport); seq_printf(f, "%5d: %08X:%04X %08X:%04X" - " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d%n", + " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d%n", bucket, src, srcp, dest, destp, sp->sk_state, sk_wmem_alloc_get(sp), sk_rmem_alloc_get(sp), diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index ae64984..cc7313b 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -1240,7 +1240,7 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i) srcp = inet_sk(sp)->inet_num; seq_printf(seq, "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X " - "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n", + "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n", i, src->s6_addr32[0], src->s6_addr32[1], src->s6_addr32[2], src->s6_addr32[3], srcp, diff --git a/net/ipv6/route.c b/net/ipv6/route.c index f1be5c5..de2b1de 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1756,6 +1756,7 @@ static struct rt6_info * ip6_rt_copy(struct rt6_info *ort) #ifdef CONFIG_IPV6_SUBTREES memcpy(&rt->rt6i_src, &ort->rt6i_src, sizeof(struct rt6key)); #endif + memcpy(&rt->rt6i_prefsrc, &ort->rt6i_prefsrc, sizeof(struct rt6key)); rt->rt6i_table = ort->rt6i_table; } return rt; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 8683664..d1fd287 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -2036,7 +2036,7 @@ static void get_openreq6(struct seq_file *seq, seq_printf(seq, "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X " - "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p\n", + "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK\n", i, src->s6_addr32[0], src->s6_addr32[1], src->s6_addr32[2], src->s6_addr32[3], @@ -2087,7 +2087,7 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i) seq_printf(seq, "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X " - "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %lu %lu %u %u %d\n", + "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %lu %lu %u %u %d\n", i, src->s6_addr32[0], src->s6_addr32[1], src->s6_addr32[2], src->s6_addr32[3], srcp, @@ -2129,7 +2129,7 @@ static void get_timewait6_sock(struct seq_file *seq, seq_printf(seq, "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X " - "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p\n", + "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK\n", i, src->s6_addr32[0], src->s6_addr32[1], src->s6_addr32[2], src->s6_addr32[3], srcp, diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index fc0c42a..41f8c9c 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1391,7 +1391,7 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket srcp = ntohs(inet->inet_sport); seq_printf(seq, "%5d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X " - "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n", + "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n", bucket, src->s6_addr32[0], src->s6_addr32[1], src->s6_addr32[2], src->s6_addr32[3], srcp, diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c index a6770a0..4fe1db12 100644 --- a/net/ipv6/xfrm6_tunnel.c +++ b/net/ipv6/xfrm6_tunnel.c @@ -241,7 +241,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb) __be32 spi; spi = xfrm6_tunnel_spi_lookup(net, (const xfrm_address_t *)&iph->saddr); - return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi) > 0 ? : 0; + return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi); } static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, diff --git a/net/key/af_key.c b/net/key/af_key.c index d62401c..8f92cf8 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -3656,7 +3656,7 @@ static int pfkey_seq_show(struct seq_file *f, void *v) if (v == SEQ_START_TOKEN) seq_printf(f ,"sk RefCnt Rmem Wmem User Inode\n"); else - seq_printf(f ,"%p %-6d %-6u %-6u %-6u %-6lu\n", + seq_printf(f, "%pK %-6d %-6u %-6u %-6u %-6lu\n", s, atomic_read(&s->sk_refcnt), sk_rmem_alloc_get(s), diff --git a/net/netfilter/ipset/ip_set_bitmap_ip.c b/net/netfilter/ipset/ip_set_bitmap_ip.c index a113ff0..ba2d166 100644 --- a/net/netfilter/ipset/ip_set_bitmap_ip.c +++ b/net/netfilter/ipset/ip_set_bitmap_ip.c @@ -293,7 +293,7 @@ bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[], for (; !before(ip_to, ip); ip += map->hosts) { id = ip_to_id(map, ip); - ret = adtfn(set, &id, timeout);; + ret = adtfn(set, &id, timeout); if (ret && !ip_set_eexist(ret, flags)) return ret; diff --git a/net/netlabel/netlabel_addrlist.h b/net/netlabel/netlabel_addrlist.h index 1c1c093..2b9644e 100644 --- a/net/netlabel/netlabel_addrlist.h +++ b/net/netlabel/netlabel_addrlist.h @@ -96,12 +96,12 @@ static inline struct netlbl_af4list *__af4list_valid_rcu(struct list_head *s, #define netlbl_af4list_foreach(iter, head) \ for (iter = __af4list_valid((head)->next, head); \ - prefetch(iter->list.next), &iter->list != (head); \ + &iter->list != (head); \ iter = __af4list_valid(iter->list.next, head)) #define netlbl_af4list_foreach_rcu(iter, head) \ for (iter = __af4list_valid_rcu((head)->next, head); \ - prefetch(iter->list.next), &iter->list != (head); \ + &iter->list != (head); \ iter = __af4list_valid_rcu(iter->list.next, head)) #define netlbl_af4list_foreach_safe(iter, tmp, head) \ @@ -163,12 +163,12 @@ static inline struct netlbl_af6list *__af6list_valid_rcu(struct list_head *s, #define netlbl_af6list_foreach(iter, head) \ for (iter = __af6list_valid((head)->next, head); \ - prefetch(iter->list.next), &iter->list != (head); \ + &iter->list != (head); \ iter = __af6list_valid(iter->list.next, head)) #define netlbl_af6list_foreach_rcu(iter, head) \ for (iter = __af6list_valid_rcu((head)->next, head); \ - prefetch(iter->list.next), &iter->list != (head); \ + &iter->list != (head); \ iter = __af6list_valid_rcu(iter->list.next, head)) #define netlbl_af6list_foreach_safe(iter, tmp, head) \ diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 5fe4f3b..6ef64ad 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1985,7 +1985,7 @@ static int netlink_seq_show(struct seq_file *seq, void *v) struct sock *s = v; struct netlink_sock *nlk = nlk_sk(s); - seq_printf(seq, "%p %-3d %-6d %08x %-8d %-8d %p %-8d %-8d %-8lu\n", + seq_printf(seq, "%pK %-3d %-6d %08x %-8d %-8d %pK %-8d %-8d %-8lu\n", s, s->sk_protocol, nlk->pid, diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 549527b..925f715 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2706,7 +2706,7 @@ static int packet_seq_show(struct seq_file *seq, void *v) const struct packet_sock *po = pkt_sk(s); seq_printf(seq, - "%p %-6d %-4d %04x %-5d %1d %-6u %-6u %-6lu\n", + "%pK %-6d %-4d %04x %-5d %1d %-6u %-6u %-6lu\n", s, atomic_read(&s->sk_refcnt), s->sk_type, diff --git a/net/phonet/socket.c b/net/phonet/socket.c index 8c5bfce..ab07711 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -607,7 +607,7 @@ static int pn_sock_seq_show(struct seq_file *seq, void *v) struct pn_sock *pn = pn_sk(sk); seq_printf(seq, "%2d %04X:%04X:%02X %02X %08X:%08X %5d %lu " - "%d %p %d%n", + "%d %pK %d%n", sk->sk_protocol, pn->sobject, pn->dobject, pn->resource, sk->sk_state, sk_wmem_alloc_get(sk), sk_rmem_alloc_get(sk), diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index c84b659..b1721d7 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -815,9 +815,17 @@ static bool some_qdisc_is_busy(struct net_device *dev) return false; } +/** + * dev_deactivate_many - deactivate transmissions on several devices + * @head: list of devices to deactivate + * + * This function returns only when all outstanding transmissions + * have completed, unless all devices are in dismantle phase. + */ void dev_deactivate_many(struct list_head *head) { struct net_device *dev; + bool sync_needed = false; list_for_each_entry(dev, head, unreg_list) { netdev_for_each_tx_queue(dev, dev_deactivate_queue, @@ -827,10 +835,15 @@ void dev_deactivate_many(struct list_head *head) &noop_qdisc); dev_watchdog_down(dev); + sync_needed |= !dev->dismantle; } - /* Wait for outstanding qdisc-less dev_queue_xmit calls. */ - synchronize_rcu(); + /* Wait for outstanding qdisc-less dev_queue_xmit calls. + * This is avoided if all devices are in dismantle phase : + * Caller will call synchronize_net() for us + */ + if (sync_needed) + synchronize_net(); /* Wait for outstanding qdisc_run calls. */ list_for_each_entry(dev, head, unreg_list) diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 7ef87f9..b1d00f8 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -361,7 +361,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) { struct sfq_sched_data *q = qdisc_priv(sch); unsigned int hash; - sfq_index x; + sfq_index x, qlen; struct sfq_slot *slot; int uninitialized_var(ret); @@ -405,8 +405,12 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) if (++sch->q.qlen <= q->limit) return NET_XMIT_SUCCESS; + qlen = slot->qlen; sfq_drop(sch); - return NET_XMIT_CN; + /* Return Congestion Notification only if we dropped a packet + * from this flow. + */ + return (qlen != slot->qlen) ? NET_XMIT_CN : NET_XMIT_SUCCESS; } static struct sk_buff * diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c index 6338413..83e3011 100644 --- a/net/sctp/bind_addr.c +++ b/net/sctp/bind_addr.c @@ -145,7 +145,7 @@ static void sctp_bind_addr_clean(struct sctp_bind_addr *bp) /* Empty the bind address list. */ list_for_each_entry_safe(addr, temp, &bp->address_list, list) { list_del_rcu(&addr->list); - call_rcu(&addr->rcu, sctp_local_addr_free); + kfree_rcu(addr, rcu); SCTP_DBG_OBJCNT_DEC(addr); } } diff --git a/net/sctp/proc.c b/net/sctp/proc.c index 61aacfb..05a6ce2 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -212,7 +212,7 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v) sctp_for_each_hentry(epb, node, &head->chain) { ep = sctp_ep(epb); sk = epb->sk; - seq_printf(seq, "%8p %8p %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk, + seq_printf(seq, "%8pK %8pK %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk, sctp_sk(sk)->type, sk->sk_state, hash, epb->bind_addr.port, sock_i_uid(sk), sock_i_ino(sk)); @@ -316,7 +316,7 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v) assoc = sctp_assoc(epb); sk = epb->sk; seq_printf(seq, - "%8p %8p %-3d %-3d %-2d %-4d " + "%8pK %8pK %-3d %-3d %-2d %-4d " "%4d %8d %8d %7d %5lu %-5d %5d ", assoc, sk, sctp_sk(sk)->type, sk->sk_state, assoc->state, hash, diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c index 1419d0c..4195233 100644 --- a/net/sunrpc/addr.c +++ b/net/sunrpc/addr.c @@ -151,7 +151,7 @@ static size_t rpc_pton4(const char *buf, const size_t buflen, return 0; sin->sin_family = AF_INET; - return sizeof(struct sockaddr_in);; + return sizeof(struct sockaddr_in); } #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index 1a10dcd..6c014dd 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -333,7 +333,7 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt) } /* - * Processs a completion context + * Process a completion context */ static void process_context(struct svcxprt_rdma *xprt, struct svc_rdma_op_ctxt *ctxt) diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index b1d75be..0722a25 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -2254,7 +2254,7 @@ static int unix_seq_show(struct seq_file *seq, void *v) struct unix_sock *u = unix_sk(s); unix_state_lock(s); - seq_printf(seq, "%p: %08X %08X %08X %04X %02X %5lu", + seq_printf(seq, "%pK: %08X %08X %08X %04X %02X %5lu", s, atomic_read(&s->sk_refcnt), 0, |
